15-letter words containing s, t, j, a
- special subject — an area of knowledge in which someone specializes
- subconjunctival — the mucous membrane that lines the exposed portion of the eyeball and inner surface of the eyelids.
- subject catalog — a catalog having entries listed by subject only.
- subject heading — a title or heading of a category, esp in a bibliography or index
- subject-raising — a rule that moves the subject of a complement clause into the clause in which it is embedded, as in the derivation of He is likely to be late from It is likely that he will be late
- the jos plateau — a plateau in Nigeria with an average altitude of 1280 metres
- trans-jordanian — of or relating to the former Trans-Jordan (now Jordan) or its inhabitants
- traveller's joy — a ranunculaceous Old World climbing plant, Clematis vitalba, having white flowers and heads of feathery plumed fruits
- trojan asteroid — one of a number of asteroids that have the same mean motion and orbit as Jupiter, preceding or following the planet by a longitude of 60°
- universal joint — piece that couples two rotating shafts
- west coast jazz — cool jazz.